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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
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Starting with Paperclip version 4.0, all attachments are required to include a content_type validation, a file_name validation, or to explicitly state that they're not going to have either.
Paperclip raises Paperclip::Erro...
Regex exactly n OR m times
...)(x{n}|x{m})(?:[^x]|$), translating to "following no 'x' or following line start" and "followed by no 'x' or followed by line end". But still, it won't match two sequences with only one character between them (because the first match would require a character after, and the second a character before...
What is aria-label and how should I use it?
... I guess an extension like ChromeVox would be a good place to start? I've never used it though. They work by reading the screen aloud to the user, taking cues from the HTML (e.g. an h1 should be emphasised more than a p, a is clearly a link, form` indicates somewhere to enter informat...
C++ Build Systems - What to use? [closed]
I'm looking at starting a new project in C++ - just in my own time initially - and I'm investigating the build systems that are available. It would appear that the answer is "Many, and they're all awful".
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R: Comment out block of code [duplicate]
...ion. Define "#" <- function() invisible(scan(what = character())) then start your comment block with "#"().
– Richie Cotton
Feb 2 '12 at 8:53
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How to set delay in android?
... // millisUntilFinished The amount of time until finished.
}
}.start();
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How can I remove time from date with Moment.js?
... time portion of a moment() rather than formatting it, then the code is:
.startOf('day')
Ref: http://momentjs.com/docs/#/manipulating/start-of/
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Convert HashBytes to VarChar
...Hello World'), 1, 0))
So it looks like the first one is a better choice, starting from version 2008.
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How do I create a self-signed certificate for code signing on Windows?
...d Prompt. Visual Studio 2015 does have it, and it can be launched from the Start Menu in Windows 7 under "Developer Command Prompt for VS 2015" or "VS2015 x64 Native Tools Command Prompt" (probably all of them in the same folder).
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How can I get Eclipse to show .* files?
...ible to only include the file named .gitignore but exclude all other files starting with .?
– Edward
Jan 8 '15 at 12:08
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